Fujitsu Associate Application Development Engineer Interview Questions and Answers

Q1. What is a project that you have worked on before?
Ans. 
Developed a web-based inventory management system for a retail company
• Utilized Java for backend development

• Implemented responsive design using HTML, CSS, and JavaScript

• Integrated barcode scanning functionality for efficient inventory tracking
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Q2. What was your role within the team?
Ans. 
I was responsible for providing technical support to end users and troubleshooting application issues within the team.
• Providing technical support to end users

• Troubleshooting application issues

• Collaborating with team members to resolve issues

• Documenting solutions and best practices
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Q3. What SQL-based queries were asked during your interview? like self join , average
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Q1. Mostly asked java 8 update and distinct number in given array and Multithreading
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Q2. 2 program based on java 8, array reverse
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Q1. What is the life cycle of a Lightning Web Component (LWC)?
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Q2. What triggers recursion in Lightning Web Components (LWC), and how is it handled?
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Q1. About splunk topics. Thry asked sbout alerts, reports snd dashboards
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Q2. Unix commands and shell scripting and few scenarios
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Q1. Package discussion and about the shift
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Q1. What are the differences between a procedure and a function?
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Q2. Write a query to find 3rd highest salary from each department
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Q3. What is synonym.
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Q4. What are the indexes you used ? Diff between bitmap and btree index
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First round was aptitute test

After apti round, if you clear it, You are eligible for coding round.

Q1. A coding question and questions on resume were asked.
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Q1. Questions regarding deadlines, new tasks and all were asked.
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Q1. Internal working of Hashmap
Ans. 
HashMap in Java is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values.
• HashMap uses hashing to store and retrieve key-value pairs

• It uses an array of linked lists to handle collisions

• The key's hash code is used to determine the index in the array where the key-value pair is stored

• HashMap allows one null key and multiple null values

• Example: HashMap<String, Integer> map = new
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Q2. Difference between string builder and string buffer
Ans. 
String builder is not synchronized, faster but not thread-safe. String buffer is synchronized, slower but thread-safe.
• String builder is faster due to lack of synchronization, suitable for single-threaded environments.

• String buffer is slower due to synchronization, suitable for multi-threaded environments.

• Example: StringBuilder sb = new StringBuilder(); StringBuffer sbf = new StringBuffer();
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Q1. Why would you like to join us
Ans. 
I am passionate about developing innovative applications and believe in the mission of your company.
• Excited about the opportunity to work on cutting-edge technologies

• Aligned with the company's values and goals

• Seeking a challenging and dynamic work environment

• Impressed by the company's reputation and success stories
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Q2. Expected CTC and current CTC
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Q1. Easy Interview, All about Spring Boot Microservices, Rest controller, Feign client, rest Template, Asynchronous calls
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Q2. Angular Framework Interceptors, AWS Cloud deployment and strategies
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